rickets is a nutritional disorder that can develop if you do not get enough vitamin d calcium or phosphate rickets leads to poor functioning of a bone s growth plate growing edge softened and weakened bones stunted growth and in severe cases skeletal deformities
Hence, a 20-year period of the patent usually gives manufacturers a chance to recoup the cost of developing a new drug. When a drug patent expires, any pharmaceutical company can manufacture and sell the drug. A drug, which is produced and distributed without patent protection is called a generic drug.
Generic drugs have the same active ingredients as brand name drugs already approved by the Food and Drug Administration (FDA). Generics only become available after the patent expires on a brand name drug. Patent periods may last up to 20 years on some drugs. The same company that makes the brand name drug may also produce the generic version. Or, a different company might produce it. What are brand name and generic drugs?